LOPA, Reforma; HARMADI, Harmadi. Rancang Bangun Sistem Pengukuran Frekuensi Getaran Akustik Berbasis Directional Coupler Serat Optik. Jurnal Fisika Unand, [S. l.], v. 11, n. 2, p. 187–193, 2022. DOI: 10.25077/jfu.11.2.187-193.2022. Disponível em: https://jfu.fmipa.unand.ac.id/index.php/jfu/article/view/824. Acesso em: 30 oct. 2026.